Between the Watch GT 6 and Pixel Watch 3 (45mm), the Watch GT 6 comes out ahead in battery life and display size, while the Pixel Watch 3 (45mm) wins on peak brightness and weight. Overall, the Watch GT 6 scores 63.8 and the Pixel Watch 3 (45mm) scores 46.7 on our Mars Score.
Which should you buy?
The Watch GT 6 is the clear pick on raw spec strength, leading by 17.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Watch GT 6 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery life, display size.
Pick the Pixel Watch 3 (45mm) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are peak brightness, weight, cellular.
Both ship with comparable ecg, spo2, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: the Watch GT 6 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Huawei - Watch GT 6 wins
- ▲Battery life — 833.33% more. 336 h vs 36 h.
- ▲Display size — 5.00% more. 1.47 " vs 1.4 ".
Why Google - Pixel Watch 3 (45mm) wins
- ▲Peak brightness — 33.33% more. 2000 nits vs 1500 nits.
- ▲Weight — 15.00 g less. 37 vs 52.
- ▲Has Cellular.
Spec comparison
Design
| Spec | Huawei - Watch GT 6 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Case size | 46 mmlead | 45 mm |
| Weight | 52 g | 37 glead |
| Case material | stainless-steel | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Huawei - Watch GT 6 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Display size | 1.47 "lead | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 1500 nits | 2000 nitslead |
Health & Fitness
| Spec | Huawei - Watch GT 6 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | false | false |
Battery & Connectivity
| Spec | Huawei - Watch GT 6 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Battery life | 336 hlead | 36 h |
| GPS | true | true |
| Cellular | false | truelead |
| NFC | true | true |
| OS | HarmonyOSlead | WearOS |
Frequently asked
Which has longer battery life, Watch GT 6 or Pixel Watch 3 (45mm)?+
Watch GT 6 lasts 336h vs 36h.
Do Watch GT 6 or Pixel Watch 3 (45mm) support ECG?+
Both support ECG.
Which has cellular, Watch GT 6 or Pixel Watch 3 (45mm)?+
Pixel Watch 3 (45mm) offers a cellular variant; Watch GT 6 is Wi-Fi only.
Spec-level deep dives
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